w
W-cathode,W-阴极
wading rod,测流标杆
wait byte,等待字节
wake oscillator,尾流振荡器
wall mounting (pressure) gauge,墙装压力表
wall (pressure) tapping,管壁取压口
wall-coated open-tubular column;WCOT column,涂壁空心柱
warm-up period,预热期
warm-up time,预热时间
washing station,清洗装置
watchdog timer,监视时钟
water colour,水色
water equivalent of snow,雪水当量
water gauge level,水尺高程
water meters,水表
water quality analyzer,水质分析仪
water quality indicator buoy,水质监测浮标
water quality monitoring system,水质监测系统
water spray test,喷淋试验
water vapour,水汽
water vapour proof packaging,防潮包装
water washable dye penetrant testing method,水洗性着色渗透探伤法
water washable fluorescent penerant testing method,水洗性荧光渗透探伤法
water washable penetrant,水洗性渗透液；自乳化性渗透液
waterproof instrument,防水式仪器仪表
waterproof packaging,防水包装
waterproof solenoid valve,防水型电磁阀
waterproof type strain gauge,防水应变计
watertight instrument,水密式仪器仪表
watt-hour meter,瓦时计
wattmeter,功率表
wave,波浪；波
wave direction,波向
wave form display type shallow-layer seismograph,波形表示型浅层地震仪
wave generator,造波机
wave guide,波导管
wave height,波高
wave observation,波浪观测
wave period,波周期
wave shape,波型
wave spectrogram,波谱图
wave spectroscopy,波谱法
wave staff,测波杆
waveform stabilization,波形稳定
wavelength band,工作波段
wavelength dispersion,波长色散
wear-out failure,耗损失效
weather radar,天气雷达
weather resistance test,耐候试验
weather satellite,气象卫星
wedge,楔块
weighing cell,称重传感器
weighing frame [unit],称量框架
weighing method,称重法
weighing section [length],称量段
weighing transducer [sensor],重量传感器；称重传感器
weight,砝码
weight carrier,底盘
weight correction value,砝码修正值
weight indication,砝码标称值
weight-loaded regulator,重力型自力式调节阀
weight of measurment,测量的权
weight value of practical mass,砝码实际质量值
weighted arithmetic mean,加权算术平均值
weighted average,加权平均值
weighted summing unit,加权加法单元
weighting factor,（加）权因子
weighting function,（加）权函数
weighting matrix,（加）权矩阵
weighting method,加权法
weighting network,计权网络
weir type flow sensor,堰式流量传感器
weldable strain gauge,焊接式应变计
welded bellows,焊接波纹管
welded ends,焊接连接端
welded mounting coupler,焊头
wet bulb,湿球
wet-bulb temperature,湿球温度
wet-bulb thermometer,湿球温度表
wet gas meter,湿式气体表
Wheatstone bridge,惠斯登电桥
whirling pschrometer,旋转干湿表
white noise,白噪声
white random vibration,白随机振动
white X-rays,白色X射线
whole machine balancing,整体平衡
wide band seismograph,宽频带地震仪
width meter [gauge],宽度计
width of acoustic emission event,声发射事件宽度
width standard plate,宽度标准样板
Wien velocity filter,维恩速度过滤器
Winchester disk drive,温盘机
wind cup,风杯
wind direction,风向
wind force,风力
wind force scale,风级
wind mill anemometer,叶轮式风速表
wind pressure,风压
wind run,风程
wind sleeve,风（向）袋
wind sock,风（向）袋
wind speed,风速
wind speed distribution,风速分布
wind speed of test point,测试点风速
wind tunnel,风洞
wind vane,风向标
wind vave,风浪
windfindinradar,测风雷达
window,观察窗；窗口
window function,窗口函数
windowing,开窗口
windshield,防风罩
wire angle indicator,（钢丝绳）倾角器
wire frame,全帧显示方式
wire printer,针式打印机
wire strain gauge,丝式应变计
wire torsion tester,线材扭转试验机
wire type transducer,丝式传感器
wiresonde,系留探空仪
wobbler,摇摆调焦器
Woltmann water meter,螺翼式水表
word,字
word length,字长
work file,工作文卷
work station,工作站
work station for computer aided design,计算机辅助设计工作站
working chamber,工作室
working conditions,工作条件
working pressure,工作压力
working resolution,工作分辨率
working sensitivity,工作灵敏度
working space,工作空间
working standard,工作标准器
working temperature,工作温度
World Factory Instrumentation Protocol;World FIP,World FIP总线（世界工厂仪表协议）
world model,全球模型；世界模型
wound primary type current transformer,绕线式电流互感器
write,写
writing speed,记录速度
x-radiation thickness meter,x射线厚度计
X-ray,X射线；伦琴射线；X光
X-ray absorption spectrometer,X射线吸收式光谱仪
X-ray analysis,X射线分析法
X-ray analyzer,X射线分析器
X-ray apparatus for structure analysis,结构分析用X射线分析
X-ray beam stop,X射线光束截捕器
X-ray cinematography,X射线电影摄像法
X-ray controller,X射线控制器
X-ray crystal spectrometer,X射线晶体光谱仪
X-ray detector,X射线探测器
X-ray diffraction analysis,X射线衍射分析法
X-ray diffractometer,X射线衍射仪
X-ray energy dispersive spectrometr,X-射线能量分散谱仪
X-ray energy spectrometr,X射线能谱仪
X-ray filter,X射线过滤器
X-ray fluoremetry logger,X射线荧光测井仪
X-ray fluoresce readout analyser,X射线荧光直读分析仪
X-ray fluorescence analysis,X射线荧光分析法
X-ray fluorescent emission spectrometer,X射线荧光发射光谱仪
X-ray fluorimeter,X射线荧光仪
X-ray fluorimeter in borehole,井下X射线荧光仪
X-ray goniometer,X射线测角仪
X-ray high voltage generator,X射线高压发生器
X-ray intensity,X射线强度
X-ray monochromator,X射线单色器
X-ray photo-electron spectrometer (XPS),X射线光电子能谱仪
X-ray photo electron spectroscopy (XPS),X射线光电子能谱法
X-ray powder diffractometer,X射线粉末衍射仪
X-ray spectrograph,X射线摄谱仪
X-ray spectrometer,X射线光谱仪
X-ray spectrometer arrangement,X射线分光装置
X-ray spectrum,X射线光谱
X-ray television apparatus for industry,工业X射线电视装置
X-ray transducer [sensor],X射线传感器
X-ray tube,X射线管
X-ray tube current,X射线管电流
X-ray tube head,X射线管头
X-ray tube rating charts,X射线管负荷特性曲线
X-ray tube shield,X射线管防护罩
X-ray tube voltage,X射线管电压
X-ray tube window,X射线管窗口
X-ray wave length dispersive spectrometer,X射线波长色散谱仪
X-Y recorder,XY记录仪
Y
Y-modulation,Y调制角
yaw probe,偏流侧向探头
yield point,屈服点
yield strength,屈服强度
yoke,支架；磁轭
yoke method,极间法
Z
z-domain,Z域
z-plane,Z平面
z-transfer function,Z（变换）传递函数
z-transform,Z变换
zenith distance,天顶距
zero,零点；零位
zero adjustment,调零装置
zero-based conformity,零基一致性
zero-based linearity,零基线性度
zero calibration gas,零点校准气
zero capacitance,零电容
zero displacement value,零位位移植
zero drift,零点漂移
zero elevation,零点提升
zero error,零点误差
zero inductance,零电感
zero-input response,零输入响应
zero knives linear,零刀联线
zero-length spring gravimeter,零长弹簧重力仪
zero-line oscillating,零线抖动
zero-line [reference] marker,零线装置
zero-measurand output,零输出
zero output base line,零输出基线
zero point,零点
zero-point output,零点输出
zero scale mark,零（标度）标记；零标度线
zero shift,零点迁移[偏移]
zero-state response,零状态响应
zero suppression,零点下降
zero variation,不回零位
zigzag scan,Z形扫查；锯齿形扫查
zinc oxide series gas sensor,ZnO系气敏元件
zinc oxide varistor,氧化锌电压敏电阻器
zirconia sensor,氧化锆传感器
zirconium doxide oxygen analyzer,氧化锆氧分析器
Zoom lens,Zoom透镜